Home / 505,101.04-757,042.32-220,669.56

Finding the Fourth Proportional to 505,101.04, 757,042.32 and 220,669.56

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Solution

The fourth proportional to 505,101.04, 757,042.32 and 220,669.56 is: 330,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,101.04 : 757,042.32 = 220,669.56 : x
  2. Step 2: Convert to fraction form
    505,101.04/757,042.32 = 220,669.56/x
  3. Step 3: Cross multiply
    505,101.04x = 757,042.32 × 220,669.56
  4. Step 4: Simplify right side
    505,101.04x = 167,056,195,655.78
  5. Step 5: Solve for x
    x = 167,056,195,655.78/505,101.04
  6. Step 6: Final answer
    x = 330,738.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.